Bump the all-julia-dependencies group across 3 directories with 1 update

---
updated-dependencies:
- dependency-name: Symbolics
  dependency-version: 7.0.1
  dependency-type: direct:production
  dependency-group: all-julia-dependencies
- dependency-name: Symbolics
  dependency-version: 7.0.1
  dependency-type: direct:production
  dependency-group: all-julia-dependencies
- dependency-name: Symbolics
  dependency-version: 7.0.1
  dependency-type: direct:production
  dependency-group: all-julia-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Project.toml

@@ -39,7 +39,7 @@ SparseArrays = "1"
 SymEngine = "0.8, 0.9.1, 0.10, 0.11, 0.12, 0.13"
 SymPy = "2"
 SymPyPythonCall = "0.3, 0.4, 0.5"
-Symbolics = "4, 5, 6"
+Symbolics = "4, 5, 6, 7.0"
 julia = "1.6"
 
 [extras]

docs/Project.toml

@@ -20,7 +20,7 @@ PyCall = "1"
 StaticArrays = "1"
 SymEngine = "0.13"
 SymPyPythonCall = "0.5"
-Symbolics = "6"
+Symbolics = "6, 7.0"
 
 [preferences.OrdinaryDiffEq]
 PrecompileAutoSpecialize = false

test/Project.toml

@@ -15,4 +15,4 @@ StaticArrays = "1"
 SymEngine = "0.8, 0.9.1, 0.10, 0.11, 0.12, 0.13"
 SymPy = "2"
 SymPyPythonCall = "0.3, 0.4, 0.5"
-Symbolics = "4, 5, 6"
+Symbolics = "4, 5, 6, 7.0"